utopia

An ideally perfect place, especially in its social, political, and moral aspects.

A work of fiction describing a utopia.

An impractical, idealistic scheme for social and political reform.

An imaginary island, described by Sir Thomas More in a work entitled “Utopia,” published in 1516, as enjoying the utmost perfection in law, politics, etc. Hence [lowercase] A place or state of ideal perfection.

Any imaginary region.